| Vol-676 urn:nbn:de:0074-676-4 Copyright © 2010 for the individual papers by the papers' authors. Copying permitted only for private and academic purposes. This volume is published and copyrighted by its editors.

# PRSAT 2010
Practical Use of Recommender Systems, Algorithms and Technologies 2010

### Proceedings of the Workshop on the Practical Use of Recommender Systems, Algorithms and Technologies (PRSAT 2010)

#### The workshop was held at the 4th International ACM Conference on Recommender Systems (RecSys 2010)

### Barcelona, Spain, September 30, 2010.

Edited by

### Jérôme Picault1
Dimitre Kostadinov1
Pablo Castells2
Alejandro Jaimes3

1 Bell Labs, Alcatel-Lucent, France
2 Universidad Autónoma de Madrid, Spain
3 Yahoo! Research, Spain

## Table of Contents

Front matter: preface and table of contents

### Keynote

Top 10 Lessons Learned Developing and Deploying Real World Recommender Systems 1
Marc Torrens

### Full papers

1. Proposal and Evaluation of Serendipitous Recommendation Method Using General Unexpectedness 3-10
   Takayuki Akiyama, Kiyohiro Obara, Masaaki Tanizaki
2. Enhancing Accuracy of Hybrid Recommender Systems through Adapting the Domain Trends 11-18
   Fatih Aksel, Ayşenur Birtürk
3. Supporting Consumers in Providing Meaningful Multi-Criteria Judgments 19-26
   Friederike Klan, Birgitta König-Ries
4. Groups Identification and Individual Recommendations in Group Recommendation Algorithms 27-34
   Ludovico Boratto, Salvatore Carta, Michele Satta
5. A Generalized Probabilistic Framework and its Variants for Training Top-k Recommender System 35-42
   Harald Steck, Yu Xin

### Short papers

6. From Recordings to Recommendations: Suggesting Live Events in the DVR Context 43-46
   Alessandro Basso, Marco Milanesio, André Panisson, Giancarlo Ruffo
7. Behavior Based Adaptive Navigation Support 47-50
   Michal Holub, Mária Bieliková
8. An Architecture for a General Purpose Multi-Algorithm Recommender System 51-54
   José Carlos Cortizo, Francisco Carrero, Borja Monsalve
9. Open Source Recommendation Systems for Mobile Application 55-58
   Renata Ghisloti De Souza, Raja Chiky, Zakia Kazi Aoul

The whole proceedings can also be downloaded as a single file (pdf).

09-Nov-2010: submitted by Pablo Castells
10-Nov: published on CEUR-WS.org